TY - CPAPER AU - Mike D. Bierk, DVM; Scott A. Dee, DVM, PhD; Kurt D. Rossow, DVM, PhD; James E. Collins, DVM, PhD; Maria Isabelle Guedes, DVM; Thomas W. Molitor, MS, PhD TI - Experiences with tonsil biopsy as an antemortem diagnostic test for detecting porcine reproductive and respiratory syndrome virus infection in breeding swine T2 - Journal of Swine Health and Production DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2000 DA - 2000/01/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2000/v8n6p279.pdf ER -